@article{santos_cavalcante_gheyi_lima_gomes_bezerra_2019,  title={Saline-sodic soil treated with gypsum, organic sources and leaching for successive cultivation of sunflower and rice},  volume={23},  ISSN={1415-4366},  url={https://doi.org/10.1590/1807-1929/agriambi.v23n12p891-898},  DOI={10.1590/1807-1929/agriambi.v23n12p891-898},  number={12},  journal={Revista Brasileira de Engenharia Agrícola e Ambiental},  publisher={Unidade Acadêmica de Engenharia Agrícola},  author={Santos, Petrônio D. dos and Cavalcante, Lourival F. and Gheyi, Hans R. and Lima, Geovani S. de and Gomes, Everaldo M. and Bezerra, Francisco T. C.},  year={2019},  month={Dec},  pages={891–898} }